a trend towards significancep = 0.056
Effect of tDCS on Iowa Gambling Task performance For the IGT performance ( Figure 3 A, Table 1 ), there was a trend towards significance for the main effect of time (F (1,23) = 4.06, p = 0.056, η 2 p = 0.15) and a significant ‘condition × time’ interaction (F (2,46) = 4.33, p = 0.019, η 2 p = 0.158), with no significant main effects of condition (F (2,46) = 0.44, p = 0.65, η 2 p = 0.019).